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Ancillary Instrumentation

	QCM922 Quartz Crystal Microbalance Sensitive enough to measure weight changes in a monolayer Quantify both elastic and viscous changes in your system Front panel display of resonant frequency and resistance changes Frequency range of 1MHz to 10MHz Designed for EQCM with a potentiostat or stand alone operation
	303A Static Mercury Drop Electrode Renewable mercury electrode surface provides higher sensitivity Greater operating convenience than the traditional dropping mercury electrode Reduces baseline distortions in DPP and enhances sensitivity Easily converts into an extremely stable HMDE for stripping or squarewave voltammetry Manual or automatic control of purge time, drop dispensing, and drop dislodgement Operates with PARSTAT and VersaSTAT systems via model 507 interface
	616A Rotating Disk Electrode Front-panel speed controls Protective enclosure Remote analog speed control (input is summed with front-panel settings) Front-panel and remote (TTL) on/off switching Remote analog output for speed verification Integral ring-stand for convenient cell mounting
	636A Rotating Ring-Disk Electrode Disk or Ring-Disk configuration Protective enclosure Remote analog speed control (input is summed with front-panel settings) A variety of disk and ring-disk electrodes to choose from Interchangeable electrode assemblies in either disk or cylinder configurations for corrosion studies On/off and Rotational Rate Control
	5210EC Dual-Phase Lock-In Amplifier Continuous Full-Scale Sensitivity Control Sinewave or Squarewave Demodulation Powerful fourth-order signal channel bandpass, low pass or notch filter Two independent line frequency rejection filters Up to 130dB Dynamic Reserve

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